Commit ef816249 authored by Dmitry Osipenko's avatar Dmitry Osipenko Committed by Thierry Reding

gpu: host1x: Forbid RESTART opcode in the firewall

The RESTART opcode terminates the gather and restarts the CDMA fetching
from a specified word << 2 relative to the CDMA start address. That
shouldn't be allowed to be done by userspace.
Signed-off-by: Dmitry Osipenko's avatarDmitry Osipenko <digetx@gmail.com>
Reviewed-by: Erik Faye-Lund 's avatarErik Faye-Lund <kusmabite@gmail.com>
Reviewed-by: default avatarMikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent 571cbf70
......@@ -495,7 +495,6 @@ static int validate(struct host1x_firewall *fw, struct host1x_job_gather *g)
goto out;
break;
case 4:
case 5:
case 14:
break;
default:
......
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